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[libvirt] [PATCH 2/8] apparmor, virt-aa-helper: allow /usr/share/OVMF/ too



From: Simon McVittie <smcv debian org>

The split firmware and variables files introduced by
https://bugs.debian.org/764918 are in a different directory for some reason.
Let the virtual machine read both.

Extended by Christian Ehrhardt to generalize FW test (simplifies
additional testing on firmware files in future).

Signed-off-by: Christian Ehrhardt <christian ehrhardt canonical com>
Signed-off-by: Stefan Bader <stefan bader canonical com>
Acked-by: Guido Günther <agx sigxcpu org>
---
 examples/apparmor/libvirt-qemu |  1 +
 src/security/virt-aa-helper.c  |  1 +
 tests/virt-aa-helper-test      | 24 ++++++++++++++++--------
 3 files changed, 18 insertions(+), 8 deletions(-)

diff --git a/examples/apparmor/libvirt-qemu b/examples/apparmor/libvirt-qemu
index a9020aa..e0988bb 100644
--- a/examples/apparmor/libvirt-qemu
+++ b/examples/apparmor/libvirt-qemu
@@ -70,6 +70,7 @@
   /usr/share/vgabios/** r,
   /usr/share/seabios/** r,
   /usr/share/ovmf/** r,
+  /usr/share/OVMF/** r,
 
   # access PKI infrastructure
   /etc/pki/libvirt-vnc/** r,
diff --git a/src/security/virt-aa-helper.c b/src/security/virt-aa-helper.c
index d976a00..dd166c2 100644
--- a/src/security/virt-aa-helper.c
+++ b/src/security/virt-aa-helper.c
@@ -512,6 +512,7 @@ valid_path(const char *path, const bool readonly)
         "/vmlinuz",
         "/initrd",
         "/initrd.img",
+        "/usr/share/OVMF/",              /* for OVMF images */
         "/usr/share/ovmf/"               /* for OVMF images */
     };
     /* override the above with these */
diff --git a/tests/virt-aa-helper-test b/tests/virt-aa-helper-test
index 68e9399..73f3080 100755
--- a/tests/virt-aa-helper-test
+++ b/tests/virt-aa-helper-test
@@ -145,6 +145,20 @@ testme() {
     fi
 }
 
+testfw() {
+    title="$1"
+    fwpath="$2"
+
+    if [ -f "$fwpath" ]; then
+        sed -e "s,###UUID###,$uuid,g"  \
+            -e "s,###DISK###,$disk1,g" \
+            -e "s,</os>,<loader readonly='yes' type='pflash'>$fwpath</loader></os>,g" "$template_xml" > "$test_xml"
+        testme "0" "$title" "-r -u $valid_uuid" "$test_xml"
+    else
+        echo "Skipping FW $title test. Could not find $fwpath"
+    fi
+}
+
 # Expected failures
 echo "Expected failures:" >$output
 testme "1" "invalid arg" "-z"
@@ -291,14 +305,8 @@ sed -e "s,###UUID###,$uuid,g" -e "s,###DISK###,$disk1,g" -e "s,</os>,<kernel>$tm
 touch "$tmpdir/kernel"
 testme "0" "kernel" "-r -u $valid_uuid" "$test_xml"
 
-if [ -f /usr/share/ovmf/OVMF.fd ]; then
-    sed -e "s,###UUID###,$uuid,g"  \
-        -e "s,###DISK###,$disk1,g" \
-        -e "s,</os>,<loader readonly='yes' type='pflash'>/usr/share/ovmf/OVMF.fd</loader></os>,g" "$template_xml" > "$test_xml"
-    testme "0" "ovmf" "-r -u $valid_uuid" "$test_xml"
-else
-    echo "Skipping OVMF test. Could not find /usr/share/ovmf/OVMF.fd"
-fi
+testfw "ovmf (old path)" "/usr/share/ovmf/OVMF.fd"
+testfw "OVMF (new path)" "/usr/share/OVMF/OVMF_CODE.fd"
 
 sed -e "s,###UUID###,$uuid,g" -e "s,###DISK###,$disk1,g" -e "s,</os>,<initrd>$tmpdir/initrd</initrd></os>,g" "$template_xml" > "$test_xml"
 touch "$tmpdir/initrd"
-- 
2.7.4


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